package threading;

class  MyThread extends Thread{
    @Override
    public void run() {
        while(true) {
            System.out.println("hello Thread!");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
    }
}

public class demo1 {
    public static void main(String[] args) throws InterruptedException {
        MyThread t = new MyThread();
        t.start();

        while(true){
            System.out.println("hello main!");
            Thread.sleep(1000);
        }
    }
}
